#1057 Why is stainless steel stainless?
Why is stainless steel stainless? Stainless steel isn’t actually stainless, but a metal that is able to resist corrosion. Stainless steel is […]
Tag: steel
#628 When did people start using nails?
When did people start using nails? Bronze nails were used in Ancient Egypt in about 3,400 BC. Before people had nails, there […]
#272 Why did the Iron Age start?
I learned this today. The Iron Age started because iron and steel reached the point where it was stronger than bronze, and […]